<?php
 class ApiCenter_ProductApi_Model_Api2_Product_Attribute_Rest extends ApiCenter_ProductApi_Model_Api2_Product_Attribute{
     
     protected  function matchImageLabel($superAttrId){
         $str = Mage::getStoreConfig('vendors/catalog/super_attribute_use_configurable_image_label');
          
         $super= explode(",", $str);
     
         if(in_array($superAttrId, $super)){
             return true;
         }
         return false;
     }
  
     
 }